4005386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 7741440

約数和(自身を除く): 3736054

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 839, 1678, 2387, 4774, 5873, 9229, 11746, 18458, 26009, 52018, 64603, 129206, 182063, 286099, 364126, 572198, 2002693, 4005386]

約数ペア:

[(1, 4005386), (2, 2002693), (7, 572198), (11, 364126), (14, 286099), (22, 182063), (31, 129206), (62, 64603), (77, 52018), (154, 26009), (217, 18458), (341, 11746), (434, 9229), (682, 5873), (839, 4774), (1678, 2387)]